diff options
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 242 |
1 files changed, 176 insertions, 66 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 60803dd..8cd7adc 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -47,8 +47,9 @@ using namespace clang::driver::tools; /// FindTargetProgramPath - Return path of the target specific version of /// ProgName. If it doesn't exist, return path of ProgName itself. static std::string FindTargetProgramPath(const ToolChain &TheToolChain, + const std::string TripleString, const char *ProgName) { - std::string Executable(TheToolChain.getTripleString() + "-" + ProgName); + std::string Executable(TripleString + "-" + ProgName); std::string Path(TheToolChain.GetProgramPath(Executable.c_str())); if (Path != Executable) return Path; @@ -146,6 +147,22 @@ static void AddLinkerInputs(const ToolChain &TC, } } +static void addProfileRT(const ToolChain &TC, const ArgList &Args, + ArgStringList &CmdArgs) { + if (Args.hasArg(options::OPT_fprofile_arcs) || + Args.hasArg(options::OPT_fprofile_generate) || + Args.hasArg(options::OPT_fcreate_profile) || + Args.hasArg(options::OPT_coverage)) { + // GCC links libgcov.a by adding -L<inst>/gcc/lib/gcc/<triple>/<ver> -lgcov + // to the link line. We cannot do the same thing because unlike gcov + // there is a libprofile_rt.so. We used to use the -l:libprofile_rt.a + // syntax, but that is not supported by old linkers. + const char *lib = Args.MakeArgString(TC.getDriver().Dir + "/../lib/" + + "libprofile_rt.a"); + CmdArgs.push_back(lib); + } +} + void Clang::AddPreprocessingOptions(const Driver &D, const ArgList &Args, ArgStringList &CmdArgs, @@ -428,6 +445,7 @@ static bool isSignedCharDefault(const llvm::Triple &Triple) { default: return true; + case llvm::Triple::arm: case llvm::Triple::ppc: case llvm::Triple::ppc64: if (Triple.getOS() == llvm::Triple::Darwin) @@ -652,7 +670,7 @@ void Clang::AddMIPSTargetArgs(const ArgList &Args, else if (MArch == "r6000") CmdArgs.push_back("mips2"); else - CmdArgs.push_back(MArch.str().c_str()); + CmdArgs.push_back(Args.MakeArgString(MArch)); } // Select the float ABI as determined by -msoft-float, -mhard-float, and @@ -761,34 +779,34 @@ void Clang::AddX86TargetArgs(const ArgList &Args, if (!CPUName) { // FIXME: Need target hooks. if (getToolChain().getOS().startswith("darwin")) { - if (getToolChain().getArchName() == "x86_64") + if (getToolChain().getArch() == llvm::Triple::x86_64) CPUName = "core2"; - else if (getToolChain().getArchName() == "i386") + else if (getToolChain().getArch() == llvm::Triple::x86) CPUName = "yonah"; } else if (getToolChain().getOS().startswith("haiku")) { - if (getToolChain().getArchName() == "x86_64") + if (getToolChain().getArch() == llvm::Triple::x86_64) CPUName = "x86-64"; - else if (getToolChain().getArchName() == "i386") + else if (getToolChain().getArch() == llvm::Triple::x86) CPUName = "i586"; } else if (getToolChain().getOS().startswith("openbsd")) { - if (getToolChain().getArchName() == "x86_64") + if (getToolChain().getArch() == llvm::Triple::x86_64) CPUName = "x86-64"; - else if (getToolChain().getArchName() == "i386") + else if (getToolChain().getArch() == llvm::Triple::x86) CPUName = "i486"; } else if (getToolChain().getOS().startswith("freebsd")) { - if (getToolChain().getArchName() == "x86_64") + if (getToolChain().getArch() == llvm::Triple::x86_64) CPUName = "x86-64"; - else if (getToolChain().getArchName() == "i386") + else if (getToolChain().getArch() == llvm::Triple::x86) CPUName = "i486"; } else if (getToolChain().getOS().startswith("netbsd")) { - if (getToolChain().getArchName() == "x86_64") + if (getToolChain().getArch() == llvm::Triple::x86_64) CPUName = "x86-64"; - else if (getToolChain().getArchName() == "i386") + else if (getToolChain().getArch() == llvm::Triple::x86) CPUName = "i486"; } else { - if (getToolChain().getArchName() == "x86_64") + if (getToolChain().getArch() == llvm::Triple::x86_64) CPUName = "x86-64"; - else if (getToolChain().getArchName() == "i386") + else if (getToolChain().getArch() == llvm::Triple::x86) CPUName = "pentium4"; } } @@ -907,21 +925,63 @@ static void addExceptionArgs(const ArgList &Args, types::ID InputType, static bool ShouldDisableCFI(const ArgList &Args, const ToolChain &TC) { + if (TC.getTriple().getOS() == llvm::Triple::Darwin) { + // The native darwin assembler doesn't support cfi directives, so + // we disable them if we think the .s file will be passed to it. + + // FIXME: Duplicated code with ToolChains.cpp + // FIXME: This doesn't belong here, but ideally we will support static soon + // anyway. + bool HasStatic = (Args.hasArg(options::OPT_mkernel) || + Args.hasArg(options::OPT_static) || + Args.hasArg(options::OPT_fapple_kext)); + bool IsIADefault = TC.IsIntegratedAssemblerDefault() && !HasStatic; + bool UseIntegratedAs = Args.hasFlag(options::OPT_integrated_as, + options::OPT_no_integrated_as, + IsIADefault); + bool UseCFI = Args.hasFlag(options::OPT_fdwarf2_cfi_asm, + options::OPT_fno_dwarf2_cfi_asm, + UseIntegratedAs); + return !UseCFI; + } + + // For now we assume that every other assembler support CFI. + return false; +} + +/// \brief Check whether the given input tree contains any compilation actions. +static bool ContainsCompileAction(const Action *A) { + if (isa<CompileJobAction>(A)) + return true; + + for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it) + if (ContainsCompileAction(*it)) + return true; - // FIXME: Duplicated code with ToolChains.cpp - // FIXME: This doesn't belong here, but ideally we will support static soon - // anyway. - bool HasStatic = (Args.hasArg(options::OPT_mkernel) || - Args.hasArg(options::OPT_static) || - Args.hasArg(options::OPT_fapple_kext)); - bool IsIADefault = TC.IsIntegratedAssemblerDefault() && !HasStatic; - bool UseIntegratedAs = Args.hasFlag(options::OPT_integrated_as, - options::OPT_no_integrated_as, - IsIADefault); - bool UseCFI = Args.hasFlag(options::OPT_fdwarf2_cfi_asm, - options::OPT_fno_dwarf2_cfi_asm, - UseIntegratedAs); - return !UseCFI; + return false; +} + +/// \brief Check if -relax-all should be passed to the internal assembler. +/// This is done by default when compiling non-assembler source with -O0. +static bool UseRelaxAll(Compilation &C, const ArgList &Args) { + bool RelaxDefault = true; + + if (Arg *A = Args.getLastArg(options::OPT_O_Group)) + RelaxDefault = A->getOption().matches(options::OPT_O0); + + if (RelaxDefault) { + RelaxDefault = false; + for (ActionList::const_iterator it = C.getActions().begin(), + ie = C.getActions().end(); it != ie; ++it) { + if (ContainsCompileAction(*it)) { + RelaxDefault = true; + break; + } + } + } + + return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all, + RelaxDefault); } void Clang::ConstructJob(Compilation &C, const JobAction &JA, @@ -959,13 +1019,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, } else if (isa<AssembleJobAction>(JA)) { CmdArgs.push_back("-emit-obj"); - // At -O0, we use -mrelax-all by default. - bool IsOpt = false; - if (Arg *A = Args.getLastArg(options::OPT_O_Group)) - IsOpt = !A->getOption().matches(options::OPT_O0); - if (Args.hasFlag(options::OPT_mrelax_all, - options::OPT_mno_relax_all, - !IsOpt)) + if (UseRelaxAll(C, Args)) CmdArgs.push_back("-mrelax-all"); // When using an integrated assembler, translate -Wa, and -Xassembler @@ -983,6 +1037,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // Do nothing, this is the default and we don't support anything else. } else if (Value == "-L") { CmdArgs.push_back("-msave-temp-labels"); + } else if (Value == "--fatal-warnings") { + CmdArgs.push_back("-mllvm"); + CmdArgs.push_back("-fatal-assembler-warnings"); } else { D.Diag(clang::diag::err_drv_unsupported_option_argument) << A->getOption().getName() << Value; @@ -1303,6 +1360,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.hasArg(options::OPT_coverage)) CmdArgs.push_back("-femit-coverage-data"); + if (C.getArgs().hasArg(options::OPT_c) || + C.getArgs().hasArg(options::OPT_S)) { + if (Output.isFilename()) { + CmdArgs.push_back("-coverage-file"); + CmdArgs.push_back(Args.MakeArgString(Output.getFilename())); + } + } + Args.AddLastArg(CmdArgs, options::OPT_nostdinc); Args.AddLastArg(CmdArgs, options::OPT_nostdincxx); Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); @@ -1477,6 +1542,12 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, options::OPT_fno_lax_vector_conversions)) CmdArgs.push_back("-fno-lax-vector-conversions"); + // -fobjc-infer-related-result-type is the default. + if (Args.hasFlag(options::OPT_fobjc_infer_related_result_type, + options::OPT_fno_objc_infer_related_result_type, + /*Default=*/true)) + CmdArgs.push_back("-fobjc-infer-related-result-type"); + // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only // takes precedence. const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only); @@ -1495,7 +1566,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Args.getLastArg(options::OPT_fapple_kext)) CmdArgs.push_back("-fapple-kext"); - Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits); @@ -1546,6 +1616,12 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel))); } + // Translate -mstackrealign + if (Args.hasArg(options::OPT_mstackrealign)) { + CmdArgs.push_back("-backend-option"); + CmdArgs.push_back("-force-align-stack"); + } + // Forward -f options with positive and negative forms; we translate // these by hand. @@ -1653,6 +1729,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, options::OPT_fno_gnu_keywords)) A->render(Args, CmdArgs); + if (Args.hasFlag(options::OPT_fgnu89_inline, + options::OPT_fno_gnu89_inline, + false)) + CmdArgs.push_back("-fgnu89-inline"); + // -fnext-runtime defaults to on Darwin and when rewriting Objective-C, and is // -the -cc1 default. bool NeXTRuntimeIsDefault = @@ -1815,6 +1896,12 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(A->getValue(Args)); } + if (const Arg *A = + Args.getLastArg(options::OPT_fdiagnostics_format_EQ)) { + CmdArgs.push_back("-fdiagnostics-format"); + CmdArgs.push_back(A->getValue(Args)); + } + if (Arg *A = Args.getLastArg( options::OPT_fdiagnostics_show_note_include_stack, options::OPT_fno_diagnostics_show_note_include_stack)) { @@ -1836,6 +1923,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, options::OPT_fno_show_source_location)) CmdArgs.push_back("-fno-show-source-location"); + if (!Args.hasFlag(options::OPT_fshow_column, + options::OPT_fno_show_column, + true)) + CmdArgs.push_back("-fno-show-column"); + if (!Args.hasFlag(options::OPT_fspell_checking, options::OPT_fno_spell_checking)) CmdArgs.push_back("-fno-spell-checking"); @@ -2005,13 +2097,7 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-filetype"); CmdArgs.push_back("obj"); - // At -O0, we use -mrelax-all by default. - bool IsOpt = false; - if (Arg *A = Args.getLastArg(options::OPT_O_Group)) - IsOpt = !A->getOption().matches(options::OPT_O0); - if (Args.hasFlag(options::OPT_mrelax_all, - options::OPT_mno_relax_all, - !IsOpt)) + if (UseRelaxAll(C, Args)) CmdArgs.push_back("-relax-all"); // Ignore explicit -force_cpusubtype_ALL option. @@ -2893,12 +2979,17 @@ void darwin::Link::AddLinkArgs(Compilation &C, Args.AddAllArgs(CmdArgs, options::OPT_sub__library); Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); - Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); - if (getDarwinToolChain().isTargetIPhoneOS()) { - if (!Args.hasArg(options::OPT_isysroot)) { - CmdArgs.push_back("-syslibroot"); - CmdArgs.push_back("/Developer/SDKs/Extra"); - } + // Give --sysroot= preference, over the Apple specific behavior to also use + // --isysroot as the syslibroot. + if (const Arg *A = Args.getLastArg(options::OPT__sysroot_EQ)) { + CmdArgs.push_back("-syslibroot"); + CmdArgs.push_back(A->getValue(Args)); + } else if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) { + CmdArgs.push_back("-syslibroot"); + CmdArgs.push_back(A->getValue(Args)); + } else if (getDarwinToolChain().isTargetIPhoneOS()) { + CmdArgs.push_back("-syslibroot"); + CmdArgs.push_back("/Developer/SDKs/Extra"); } Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); @@ -3059,12 +3150,6 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(LinkingOutput); } - if (Args.hasArg(options::OPT_fprofile_arcs) || - Args.hasArg(options::OPT_fprofile_generate) || - Args.hasArg(options::OPT_fcreate_profile) || - Args.hasArg(options::OPT_coverage)) - CmdArgs.push_back("-lgcov"); - if (Args.hasArg(options::OPT_fnested_functions)) CmdArgs.push_back("-allow_stack_execute"); @@ -3085,6 +3170,8 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, // endfile_spec is empty. } + addProfileRT(getToolChain(), Args, CmdArgs); + Args.AddAllArgs(CmdArgs, options::OPT_T_Group); Args.AddAllArgs(CmdArgs, options::OPT_F); @@ -3124,14 +3211,14 @@ void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA, const char *LinkingOutput) const { ArgStringList CmdArgs; + CmdArgs.push_back("-o"); + CmdArgs.push_back(Output.getFilename()); + assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); const InputInfo &Input = Inputs[0]; assert(Input.isFilename() && "Unexpected dsymutil input."); CmdArgs.push_back(Input.getFilename()); - CmdArgs.push_back("-o"); - CmdArgs.push_back(Output.getFilename()); - const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("dsymutil")); C.addCommand(new Command(JA, *this, Exec, CmdArgs)); @@ -3242,6 +3329,8 @@ void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, getToolChain().GetFilePath("crtend.o"))); } + addProfileRT(getToolChain(), Args, CmdArgs); + const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld")); C.addCommand(new Command(JA, *this, Exec, CmdArgs)); @@ -3377,6 +3466,8 @@ void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, if (getToolChain().getArchName() == "i386") CmdArgs.push_back("--32"); + if (getToolChain().getArchName() == "powerpc") + CmdArgs.push_back("-a32"); // Set byte order explicitly if (getToolChain().getArchName() == "mips") @@ -3433,6 +3524,11 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("elf_i386_fbsd"); } + if (getToolChain().getArchName() == "powerpc") { + CmdArgs.push_back("-m"); + CmdArgs.push_back("elf32ppc"); + } + if (Output.isFilename()) { CmdArgs.push_back("-o"); CmdArgs.push_back(Output.getFilename()); @@ -3541,6 +3637,8 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, "crtn.o"))); } + addProfileRT(getToolChain(), Args, CmdArgs); + const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld")); C.addCommand(new Command(JA, *this, Exec, CmdArgs)); @@ -3555,7 +3653,8 @@ void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, // When building 32-bit code on NetBSD/amd64, we have to explicitly // instruct as in the base system to assemble 32-bit code. - if (getToolChain().getArchName() == "i386") + if (ToolTriple.getArch() == llvm::Triple::x86_64 && + getToolChain().getArch() == llvm::Triple::x86) CmdArgs.push_back("--32"); @@ -3578,7 +3677,8 @@ void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, } const char *Exec = Args.MakeArgString(FindTargetProgramPath(getToolChain(), - "as")); + ToolTriple.getTriple(), + "as")); C.addCommand(new Command(JA, *this, Exec, CmdArgs)); } @@ -3609,7 +3709,8 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, // When building 32-bit code on NetBSD/amd64, we have to explicitly // instruct ld in the base system to link 32-bit code. - if (getToolChain().getArchName() == "i386") { + if (ToolTriple.getArch() == llvm::Triple::x86_64 && + getToolChain().getArch() == llvm::Triple::x86) { CmdArgs.push_back("-m"); CmdArgs.push_back("elf_i386"); } @@ -3656,7 +3757,6 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, } // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding // the default system libraries. Just mimic this for now. - CmdArgs.push_back("-lgcc"); if (Args.hasArg(options::OPT_static)) { CmdArgs.push_back("-lgcc_eh"); } else { @@ -3664,6 +3764,7 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-lgcc_s"); CmdArgs.push_back("--no-as-needed"); } + CmdArgs.push_back("-lgcc"); if (Args.hasArg(options::OPT_pthread)) CmdArgs.push_back("-lpthread"); @@ -3691,8 +3792,11 @@ void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, "crtn.o"))); } + addProfileRT(getToolChain(), Args, CmdArgs); + const char *Exec = Args.MakeArgString(FindTargetProgramPath(getToolChain(), - "ld")); + ToolTriple.getTriple(), + "ld")); C.addCommand(new Command(JA, *this, Exec, CmdArgs)); } @@ -3854,10 +3958,10 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-lm"); } - if (Args.hasArg(options::OPT_static)) - CmdArgs.push_back("--start-group"); - if (!Args.hasArg(options::OPT_nostdlib)) { + if (Args.hasArg(options::OPT_static)) + CmdArgs.push_back("--start-group"); + if (!D.CCCIsCXX) CmdArgs.push_back("-lgcc"); @@ -3912,6 +4016,8 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA, } } + addProfileRT(getToolChain(), Args, CmdArgs); + if (Args.hasArg(options::OPT_use_gold_plugin)) { CmdArgs.push_back("-plugin"); std::string Plugin = ToolChain.getDriver().Dir + "/../lib/LLVMgold.so"; @@ -3994,6 +4100,8 @@ void minix::Link::ConstructJob(Compilation &C, const JobAction &JA, "/usr/gnu/lib/libend.a"))); } + addProfileRT(getToolChain(), Args, CmdArgs); + const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("/usr/gnu/bin/gld")); C.addCommand(new Command(JA, *this, Exec, CmdArgs)); @@ -4149,6 +4257,8 @@ void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, getToolChain().GetFilePath("crtn.o"))); } + addProfileRT(getToolChain(), Args, CmdArgs); + const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld")); C.addCommand(new Command(JA, *this, Exec, CmdArgs)); |
